Mitsubishi Electric kumo station PAC-WHS01HC-E Manuel D'installation page 11

<Power supply>
Use an insulated transformer equivalent to CLASS2 UL Standard for the power supply of the Equipment Controller,
and connect input 24 V AC to TB24.
Select an appropriate transformer based on the equipment to be connected to TBE.
Electrical ratings
Terminal Voltage
TB24 1 - 2 20–30 V AC MAX. 0.4 A (Excluding the current of equipment connected to the TBE)
<Connecting to Indoor unit>
Use the accessory cable for connecting CN460 on the Equipment Controller to CN105 on the indoor controller board.
<Connecting Wireless Interface>
When connecting Wireless Interface, connect it to CN506 on the Equipment Controller.
Regarding the initial setting of Wireless Interface, refer to the Wireless Interface Installation Manual.
<Connecting Outdoor Temperature Sensor>
Connect the sensor cable to the TBTH on the Equipment Controller.
Use only C7089U1006 Outdoor Temperature Sensor (Honeywell).
Wire length between C7089U1006 and Equipment Controller must be less than 200 feet.
For more information regarding the installation, refer to the C7089U1006 Installation Manual.
<Connecting to Equipment>
A maximum of 4 Equipment can be connected to the Equipment Controller.
Ch3 and Ch4 can be switched between wet and dry contacts.
Electrical ratings
Terminal Description
7 - 9 Wet contact only 20–30 V AC 0.01–1 A
8 - 0 Wet contact only 20–30 V AC 0.01–1 A
1 - 5 Dry contact only* 20–30 V AC 0.01–1 A
2 - 6 Dry contact only* 20–30 V AC 0.01–1 A
7 - 1 Dry contact only* 20–30 V AC 0.01–1 A
8 - 2 Dry contact only* 20–30 V AC 0.01–1 A
*Each terminal should be provided by a UL certification
CLASS2 or equivalent power supply.
Notes:
● Connect the terminals by using the ring terminals when
wiring to TBE.
● Connect the surge absorber according to the load at
site.
Warning
Any heating system connected to Equipment Controller
must have its own fire protector.
Terminal board screw tightening torque
TB24
TBE
TBTH
4–2–2. How to set the Function Setting Switch (SW1)
The Function Setting Switch
(SW1) must properly be set
according to the usage of the
Equipment Controller.
For the details, refer to "5.1.
Function Setting Switch (SW1)".
Running Current
Voltage Current
Tightening torque (ft·lbs)
0.89-1.03
0.37-0.44
0.37-0.44
SW1
ON
OFF
1 2 3 4 5 6 7 8
Connecting NON-POWERED Equipment
Ch3
NON-POWERED
Equipment
Connecting POWERED Equipment
*
*
Ch1 Ch2
POWERED POWERED
Equipment Equipment
24 V AC 24 V AC
Transformer Transformer
Ch4
NON-POWERED
Equipment
*
*
Ch3 Ch4
POWERED POWERED
Equipment Equipment
24 V AC 24 V AC
Transformer Transformer
EN-10